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ale4655 [162]
3 years ago
7

Helppppp i don’t know what to do

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
6 0

Answer:

the last one

Step-by-step explanation:

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Solve in order of operation<br> Thanks
Greeley [361]

Answer:

b=40

c=12

Step-by-step explanation:

b) 3+7(8-6)2

10(2)2

20^2 =40

C) 4+(−3) 2 −2÷( 6/3)

4+9− 2/6/3

13-2/6/3

13-2x3/6

13-6/6

13-1

c=12

​

​

​

7 0
3 years ago
Read 2 more answers
7. (01.02 LC)
Airida [17]

A segment is created from points A and B. To copy segment AB,"The distance between points A and B" needs to be identified for the construction

This is further explained below.

<h3>What is a segment?</h3>

Generally, In this case, we have two points A and B, which form a segment. The production of a carbon duplicate of segment AB requires the determination of "The distance between points A and B."

In conclusion, In this case, we have two points A and B, which form a segment. The production of a carbon duplicate of segment AB requires the determination of "The distance between points A and B."

Read more about a segment

brainly.com/question/12728072

#SPJ1

7 0
2 years ago
For all of a and b, 3a (a + 2b)-b (2a-3b)​
Yuliya22 [10]

Answer:

3a^2 + 4ab + 3b^2

Step-by-step explanation:

just trust me bro :)

6 0
2 years ago
Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one of the four angles formed
vitfil [10]
We have
angle 1=72 degrees

see the attached picture to better understand the problem

we know that
<span>Vertical angles are congruent
</span>angle1=angle3 \\ angle2=angle4
<span>
and

adjacent angles are supplementary
</span>angle2+angle1=180 \\ angle3+angle4=180
<span>
if the measure of one of the angles is </span>72 degrees and straight lines equal 180<span> degrees you have to
subtract </span>72 from 180
so
angle 2=180-72 \\ angle 2=108 degrees

therefore
angle 3=amgle 1 \\ angle 3=72 degrees

angle 4=amgle 2 \\ angle 4=108 degrees

the answer is

the measures of the other three angles are
108, 108 and 72 degrees

5 0
3 years ago
Read 2 more answers
6. A cookie jar contains 315 M&amp;M's. There are only brown and
Romashka [77]

The system of equations representing the problem is

b+g=315\\8b-g=0

and we have 35 brown M&M's and 280 green M&M's in the cookie jar.

<h3>Formulating the equations</h3>

If we let b represent the number of brown M&M's and g the number of green M&M's, then, from the sentence

"...<em>A cookie jar contains 315 M&M's. There are only brown and green M&M's in the jar</em>..."

we can construct the algebraic equation

b+g=315

Also, from the sentence

"...<em>The number of green M&M's is 8 times that of the brown M&M's</em>..."

we can construct the algebraic equation

g=8b\implies 8b-g=0

overall, we have the system of equations with unknowns b and g

b+g=315\\8b-g=0

<h3>Solving the system of equations</h3>

Adding the two equations, we get

(b + 8b) +(g + (-g))=315+0\\9b=315\\\\\dfrac{9b}{9}=\dfrac{315}{9}\\\\b=35

Substituting this value for b into the relationship g=8b

g=8b\\g=8(35)=280

Therefore, we have 35 brown M&M's and 280 green M&M's

Learn more about word problems and systems of equations here brainly.com/question/14111058

3 0
3 years ago
Read 2 more answers
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